EP0908456A1 - Pyrazol-Derivate, ihre Herstellung und ihre Verwendung in Arzneimitteln - Google Patents
Pyrazol-Derivate, ihre Herstellung und ihre Verwendung in Arzneimitteln Download PDFInfo
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- EP0908456A1 EP0908456A1 EP98118494A EP98118494A EP0908456A1 EP 0908456 A1 EP0908456 A1 EP 0908456A1 EP 98118494 A EP98118494 A EP 98118494A EP 98118494 A EP98118494 A EP 98118494A EP 0908456 A1 EP0908456 A1 EP 0908456A1
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- C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
- C07D405/04—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
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- A61K31/41—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having five-membered rings with two or more ring hetero atoms, at least one of which being nitrogen, e.g. tetrazole
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- C07D403/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00
- C07D403/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings
- C07D403/04—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, not provided for by group C07D401/00 containing two hetero rings directly linked by a ring-member-to-ring-member bond
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- C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
- C07D405/14—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing three or more hetero rings
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- C07D409/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms
- C07D409/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings
- C07D409/04—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing two hetero rings directly linked by a ring-member-to-ring-member bond
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- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D409/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms
- C07D409/14—Heterocyclic compounds containing two or more hetero rings, at least one ring having sulfur atoms as the only ring hetero atoms containing three or more hetero rings
Definitions
- the present invention relates to pyrazole derivatives of the formula I, in which X, R 1 , R 1a , R 2 , R 3 , R 4 and n have the meanings given below which are valuable active pharmaceutical ingredients for the therapy and prophylaxis of diseases, for example cardiovascular diseases such as high blood pressure, angina pectoris, heart failure , Thrombosis or atherosclerosis.
- the compounds of formula I have the ability to modulate the body's production of cyclic guanosine monophosphate (cGMP) and are generally suitable for the therapy and prophylaxis of disease states which are associated with a disturbed cGMP household.
- the invention further relates to processes for the preparation of compounds of the formula I, their use for the therapy and prophylaxis of the specified disease states and for the production of medicaments therefor, and pharmaceutical preparations which contain compounds of the formula I.
- cGMP is an important intracellular messenger that modulates cGMP-dependent Protein kinases, phosphodiesterases and ion channels a variety different effects. Examples are the smooth muscle relaxation that Inhibition of platelet activation and inhibition of Smooth muscle cell proliferation and leukocyte adhesion.
- cGMP is through particulate and soluble guanylate cyclases (GC) in response to a number of extra and produces intracellular stimuli.
- GC particulate and soluble guanylate cyclases
- the stimulation takes place essentially by peptide signal substances, such as the atrial natriuretic peptide or the cerebral natriuretic peptide.
- the soluble guanylate cyclases which are cytosolic, heterodimeric Hemoproteins are essentially a family regulates low-molecular, enzymatically formed factors. Most important The stimulant is nitrogen monoxide (NO) or a closely related species. The Significance of other factors such as carbon monoxide or the hydroxyl radical is still largely unexplained. As an activation mechanism of activation by NO the connection of NO to the heme with the formation of a penta-coordinated Heme-nitrosyl complex discussed. The associated release of the im The enzyme converts the histidine to the iron in the basal state activated conformation.
- NO nitrogen monoxide
- the enzyme converts the histidine to the iron in the basal state activated conformation.
- Active soluble guanylate cyclases consist of one ⁇ and one ⁇ subunit.
- the subtypes ⁇ 1 and ⁇ 1 are mainly expressed in the brain and lungs, while ⁇ 2 is mainly found in the liver and kidneys.
- the subtype ⁇ 2 could be detected in human fetal brain.
- the subunits designated as ⁇ 3 and ⁇ 3 were isolated from the human brain and are homologous to ⁇ 1 and ⁇ 1 .
- Recent work indicates an ⁇ 2i subunit that contains an insert in the catalytic domain. All subunits show great homologies in the area of the catalytic domain.
- the enzymes presumably contain one heme per heterodimer, which is bound via ⁇ 1 -Cys-78 and / or ⁇ 1 -His-105 and is part of the regulatory center.
- guanylate cyclase can activate Factors may be reduced or it may be more free due to the increased occurrence Radicals an increased degradation of the same take place.
- the resulting one reduced activation of the sGC leads to the weakening of the respective cGMP-mediated cell response, for example to increase blood pressure Platelet activation or to increased cell proliferation and cell adhesion.
- endothelial dysfunction, atherosclerosis, High blood pressure, stable and unstable angina, thrombosis, myocardial infarction, Strokes or erectile dysfunction The pharmacological stimulation of the sGC provides a way to normalize and allow cGMP production thus the treatment or prevention of such diseases.
- the pyrazole derivatives of the formula I are a Effect guanylate cyclase and thus for therapy and prophylaxis of diseases associated with low levels of cGMP are.
- Alkyl radicals can be straight-chain or branched. This also applies if they are substituted, for example by an aryl radical in an arylalkyl group or by the rest of Het in the Het-alkyl group, or when in other groups are contained, for example in alkoxy groups, alkoxycarbonyl groups or N-alkyl-substituted Carbamoyl groups.
- alkyl groups are methyl, ethyl, n-propyl, isopropyl, n-butyl, isobutyl, sec-butyl, tert-butyl, n-pentyl, isopentyl, Neopentyl, n-hexyl, 3,3-dimethylbutyl, n-heptyl, n-octyl, n-nonyl and n-decyl.
- alkyl here also means unsaturated alkyl radicals, in particular alkyl radicals which have one or two double bonds or one or two Triple bonds or a double bond and a triple bond included.
- radicals examples include the vinyl radical, the 2-propenyl radical (allyl radical), the 2-butenyl radical, the 3-methyl-2-butenyl radical, the ethynyl radical, the 2-propynyl radical (Propargyl residue) or the 3-butynyl residue.
- cycloalkyl radicals are cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl and cycloheptyl.
- Cycloalkyl residues can also be through alkyl groups, for example be substituted by one or more methyl groups.
- Examples of (C 6 -C 14 ) aryl radicals are phenyl, naphthyl, anthracenyl, biphenylyl or fluorenyl, it being possible for the polynuclear radicals to be linked via all positions. Naphthyl residues, for example, can therefore exist as 1-naphthyl residues or 2-naphthyl residues.
- a preferred aryl radical is the phenyl radical.
- Aryl radicals can be unsubstituted or substituted once or more than once, for example twice or three times, it being possible for the substituents to be in any positions.
- Monosubstituted phenyl radicals can be substituted in the 2-position, the 3-position or the 4-position, disubstituted phenyl radicals in the 2,3-position, the 2,4-position, the 2,5-position, the 2,6- Position, the 3.4 position or the 3.5 position.
- the substituents can be, for example, in the 2,3,4-position, 2,3,5-position, 2,3,6-position or 3,4,5-position.
- aryl radicals also apply to those aryl radicals which are contained in arylalkyl radicals, for example in benzyl radicals, 1-phenylethyl radicals, 2-phenylethyl radicals or naphthylmethyl radicals.
- Preferred arylalkyl radicals are phenylethyl radicals and in particular the benzyl radical.
- the 5- to 7-membered, saturated or unsaturated heterocycles which represent the group Het preferably contain one, two, three or four ring heteroatoms from the series nitrogen, oxygen and sulfur. They particularly preferably contain one, two or three heteroatoms from this series. Unsaturated heterocycles can contain one, two or three double bonds in the ring.
- the 5-ring and 6-ring heterocycles can in particular also be aromatic, that is to say that in the compounds of the formula I, het can also represent 5- or 6-membered heteroaryl which can be unsubstituted or substituted.
- heterocyclic 5-ring, 6-ring and 7-ring systems from which suitable radicals can be derived, are pyrrole, furan, thiophene, imidazole, pyrazole, 1,2,3-triazole, 1, 2,4-triazole, 1,3-dioxole, 1,3-oxazole, 1,2-oxazole, 1,3-thiazole, 1,2-thiazole, tetrazole, pyridine, pyridazine, pyrimidine, pyrazine, pyran, thiopyran, 1,4-dioxin, 1,2-oxazine, 1,3-oxazine, 1,4-oxazine, 1,2-thiazine, 1,3-thiazine, 1,4-thiazine, 1,2,3-triazine, 1,2,4-triazine, 1,3,5-triazine, 1,2,4,5-tetrazine, azepine, 1,2-diazepine, 1, 1,2-
- the heterocycles in question also include, for example, the saturated heterocycles pyrrolidine, piperidine, piperazine, morpholine and thiomorpholine.
- the heterocyclic radical can be bound via any carbon atom, for example in the case of radicals derived from the furan system, the thiophene system or the pyrrole system it can be bound in the 2-position or the 3-position, in the case of radicals which are derived from the imidazole system or from the 1,3-thiazole system, in the 2-position, the 4-position or the 5-position, or in the case of residues which are derived from the pyridine system, in the 2-position, the 3-position or 4-position.
- Nitrogen heterocycles which can carry a substituent on a ring nitrogen atom can also be bonded via a ring nitrogen atom if the heterocyclic radical in question is bonded to a carbon atom.
- the heterocycles can be substituted one or more times, for example two, three or four times, and in any positions.
- Substituents on a heterocycle can also form a ring, ie there can be condensed heterocycles, for example cyclopenta-condensed, cyclohexa-condensed or benzo-condensed heterocycles.
- Suitable substituents on a nitrogen atom of a heterocycle are, for example, (C 1 -C 5 ) alkyl radicals or the radicals CO-R 16 or SO 2 -R 17 , but also, for example, aryl radicals or arylalkyl radicals.
- Nitrogen heterocycles can also be present as N-oxides.
- halogen means fluorine, chlorine, bromine or iodine, preferably fluorine or chlorine.
- alkyl radicals, aryl radicals, arylalkyl radicals, cycloalkyl radicals, cycloalkyl-alkyl radicals or the radicals Het or Het-alkyl are substituted by radicals R 5 , they can be substituted by one, two, three, four or more identical or different radicals R 5 .
- Such substituted radicals preferably contain one, two or three radicals of the same or different radicals R 5 .
- the R 5 radicals can each be in the alkyl part and / or in the aryl part or cycloalkyl part or the Het radical.
- R 2 and R 3 together with the carbon atoms carrying them form a carbocyclic ring which is substituted by one or more radicals R 5 , it is preferably substituted by one, two, three or four identical or different radicals R 5 , particularly preferred through one or two residues.
- the radicals R 5 can be in any position.
- the two substituents R 1 and R 1a can be located in any position on the heterocycle, that is in positions 3, 4 and 5 of the furan ring, thiophene ring or pyrrole ring.
- R 2 and R 3 form a 5- to 7-membered carbocyclic ring together with the carbon atoms carrying them, then condensed pyrazoles are present.
- the carbocyclic ring may contain, in addition to the double bond which it has in common with the pyrazole ring, another double bond in the ring or contain no further double bond in the ring.
- a fused-on 6-ring i.e. in the case of cyclohexa-fused pyrazoles, or in the case of a fused-on 7-ring, i.e.
- the carbocyclic ring in addition to the double bond which it shares with the pyrazole ring contain one further double bond in the ring or two further double bonds in the ring or contain no further double bonds in the ring.
- the double bonds in the carbocyclic ring can be in any position, but there can be no cumulative double bond systems.
- R 2 and R 3 form a 6-membered carbocycle with a total of three double bonds together with the carbon atoms carrying them, then a benzene ring is fused to the pyrazole ring; in this case, the compounds of the formula I are benzopyrazoles (formula Ia), which are also referred to as indazoles (the compounds according to the invention are 1H-indazoles, just as the non-benzo-condensed pyrazoles are 1H-pyrazoles).
- Examples of such compounds of the formula I in which R 2 and R 3 together with the carbon atoms carrying them form a carbocyclic ring are the compounds of the formulas Ia, Ib, Ic and Id in which X, R 1 , R 1a , R 4 , R 5 and n have the meanings given above and y is, according to the above information, 0 or an integer, preferably 0, 1, 2, 3 or 4, particularly preferably 0, 1 or 2.
- the radicals R 5 which can be the same or different, can be in any position in the carbocycle.
- the heterocyclic rings, the two residues R 7 and R 8 , the two residues R 11 and R 12 , the two residues R 14 and R 15 , the two residues R 19 and R 20 , the two residues R 23 and R 24 and the two radicals R 26 and R 27 in each case together with the nitrogen atom bearing the two radicals, can form saturated or partially unsaturated or maximally unsaturated. They are preferably saturated.
- Examples of such rings which are bonded to a carbonyl group or a sulfonyl group via a ring nitrogen atom are, in particular, pyrroline, pyrrolidine, piperidine, piperazine, morpholine and thiomorpholine.
- These rings can be substituted on carbon atoms and, in the case of piperazine, also on the nitrogen atom in the 4-position and, in the case of thiomorpholine, can also be oxidized on sulfur to the sulfoxide or sulfone.
- n in the formula I stands for the number 0, the radical R 4 is bonded directly to the pyrazole nitrogen atom.
- the compounds of formula I can be substituted into stereoisomeric forms are present. Contain the compounds of formula I. or several asymmetry centers, these can independently of one another have the S configuration or have the R configuration. All belong to the invention possible stereoisomers, for example enantiomers and diastereomers, and Mixtures of two or more stereoisomeric forms, for example mixtures of enantiomers and / or diastereomers, in all proportions. Enantiomers are therefore in enantiomerically pure form, both as left-handed and as right-handed Antipodes, in the form of racemates and in the form of mixtures of the two The invention relates to enantiomers in all ratios.
- stereoisomers can be resolved by separating a mixture usual methods, for example by chromatography or crystallization Use of stereochemically uniform starting substances in the Synthesis or by stereoselective synthesis.
- the separation of one Stereoisomer mixture can at the stage of the compounds of formula I take place or in the course of the synthesis.
- the present includes Invention also all tautomeric forms of the compounds of formula I to Example lactam / lactim tautomers.
- the compounds of formula I one or more acidic or basic Groups, so are the corresponding physiological or toxicological compatible salts the subject of the invention, in particular the pharmaceutical usable salts.
- the compounds of formula I the one or contain several acidic groups, for example COOH groups or N-acylsulfonamide groups, on these groups, for example as alkali metal salts, Alkaline earth metal salts or as ammonium salts are present and according to the invention be used.
- Examples of such salts are sodium salts, potassium salts Calcium salts, magnesium salts or salts with ammonia or organic amines such as ethylamine, ethanolamine, triethanolamine or amino acids.
- Compounds of formula I which are one or more basic, that is Protonatable groups can contain in the form of their acid addition salts inorganic or organic acids are present and used according to the invention for example as salts with hydrogen chloride, hydrogen bromide, Phosphoric acid, sulfuric acid, nitric acid, methanesulfonic acid, p-toluenesulfonic acid, Naphthalene disulfonic acids, oxalic acid, acetic acid, tartaric acid, Lactic acid, salicylic acid, benzoic acid, formic acid, propionic acid, pivalic acid, Diethyl acetic acid, malonic acid, succinic acid, pimelic acid, fumaric acid, Maleic acid, malic acid, sulfamic acid, phenylpropionic acid, gluconic acid, Ascorbic acid, isonicotinic acid, citric acid, adipic acid, etc.
- Salts can be obtained from the compounds of the formula I.
- usual processes known to the person skilled in the art can be obtained, for example by combination with an organic or inorganic acid or base in a solvent or dispersant, or also by anion exchange or Cation exchange from other salts.
- the present invention also encompasses all salts of the compounds of formula I, which are due to less physiological Tolerance is not directly suitable for use in medicinal products, but for Example as intermediates for chemical reactions or for production physiologically acceptable salts.
- the present invention further encompasses all solvates of compounds of the Formula I, for example hydrates or adducts with alcohols, and derivatives of Compounds of formula I, for example esters, pro-drugs and metabolites, which like the compounds of formula I act.
- R 26 and R 27 together with the nitrogen atom bearing the two radicals form a 5- to 7-membered saturated ring which particularly preferably as an additional ring hetero atom is an oxygen atom, a sulfur atom or a nitrogen atom substituted by a methyl group contains.
- a 5- or 6-membered heteroaryl radical preferably denotes the radical of one of the aromatic heterocycle with one, two, three or four heteroatoms from the Series of nitrogen, oxygen and sulfur, particularly preferably with one or two Heteroatoms or the tetrazolyl radical.
- Preferred compounds of formula I are those in which one or more of the radicals contained therein have preferred meanings, all Combinations of preferred substituent definitions are included. Also of all preferred compounds of formula I, the present invention encompasses all their stereoisomeric forms and mixtures thereof in all proportions, and their physiologically acceptable salts.
- the compounds of formula I can be prepared by various methods, which are described below and which are also the subject of the present invention.
- Compounds of the formula I in which the radicals R 2 and R 3 do not form a benzene ring together with the carbon atoms carrying them, in which the radicals R 2 and R 3 thus represent hydrogen or an unsubstituted or substituted alkyl radical, aryl radical, arylalkyl radical, cycloalkyl radical, Cyclalkyl-alkyl radical, the radical Het or the radical Het-alkyl or in which R 2 and R 3 together with the carbon atoms carrying them form an unsubstituted or substituted non-aromatic carbocyclic ring can be prepared by using 1,3-dicarbonyl compounds of the formula II with hydrazines of the formula III or their salts to give compounds of the formula Ie '.
- radicals X, R 1' , R 1a ' , R 2' , R 3 ' and R 4' and the number n have the meanings of X, R 1 , R 1a , R 2 , R 3 , R 4 and n have, but the radicals R 2 ' and R 3' cannot form an aromatic ring together with the carbon atoms carrying them, and additionally in the radicals R 1 ' , R 1a ' , R 2' , R 3 ' and R 4' functional groups are present in protected form or in the form of precursors. Suitable protective groups or favorable precursors for functional groups in these radicals are known to the person skilled in the art.
- a carbonyl group in these residues may initially be in protected form, for example in the form of an acetal or ketal, or an amino group may be in acylated form, or a hydrogen atom may be present as a precursor for a group introduced in an electrophilic substitution reaction.
- Compounds of the formula Ie according to the invention can then optionally be obtained from the compounds of the formula Ie 'by, in a subsequent reaction step, the groups present in protected form or in the form of precursors in the desired definitions of R 1 , R 1a in the above definitions , R 2 , R 3 and R 4 transferred functional groups.
- R 2 and R 3 thus represent hydrogen or an unsubstituted or substituted alkyl radical, aryl radical, arylalkyl radical, cycloalkyl radical, cycloalkyl-alkyl radical, the radical Het or the radical Het-alkyl or R 2 and R 3 together with the they carry carbon atoms an unsubstituted or substituted non-aromatic 5- to 7-membered carbocyclic ring.
- Suitable solvents are, for example, water, alcohols such as Methanol, ethanol, n-propanol, isopropanol or butanols, ethers such as diethyl ether, Dipropyl ether, dibutyl ether, methyl tert-butyl ether, tetrahydrofuran or dioxane, Monoether and diether of ethylene glycol and di- and triethylene glycol such as Ethylene glycol monomethyl ether, ethylene glycol monoethyl ether, Ethylene glycol dimethyl ether, ethylene glycol monobutyl ether, Diethylene glycol monomethyl ether or diethylene glycol dimethyl ether, esters such as Ethyl acetate or butyl acetate, amides such as dimethylformamide, Dimethylacetamide, N-methylpyrrolidone
- the reaction is generally carried out at temperatures from 0.degree. C. to 150.degree. preferably carried out at temperatures from 20 ° C. to 130 ° C. Especially it is preferred to use them under reflux at the boiling point of the Perform solvent or solvent mixture, for example at Boiling point of methanol or ethanol.
- the reaction time depends according to the individual case and depends, for example, on the reactivity of the Reaction partner and the reaction conditions. In general, if the Reaction in methanol or ethanol is carried out at boiling temperature Reaction ended after 1 to 10 hours. Working up the Reaction mixture can be done according to standard procedures and the product if desired, using customary cleaning methods, for example by Recrystallization or chromatography.
- Suitable catalysts are organic carboxylic acids and sulfonic acids such as acetic acid, trifluoroacetic acid, methanesulfonic acid or p-toluenesulfonic acid, inorganic acids such as hydrogen chloride, sulfuric acid or phosphoric acid, acid salts such as ammonium salts or hydrogen phosphates, or acidic ion exchangers. It may also be convenient to set a certain pH or to work in the presence of a buffer system.
- the dicarbonyl compound of the formula II can also be released from a precursor, for example an acetal or ketal, by means of an acidic catalyst; the dicarbonyl compound can therefore be used in the form of such a precursor. It is preferred to carry out the reaction of compounds of the formula II with free hydrazines of the formula III in the presence of acetic acid.
- the type and amount of an acid catalyst added depend on the individual case and depend, for example, on the reactivity of the reactants, the solvent or the intended temperature. If, for example, an acid such as acetic acid is used, it can act both as a solvent and as a catalyst, depending on the amount used.
- an acid addition salt of a hydrazine is used instead of a free hydrazine, for example an R 4 ' - (CH 2 ) n -substituted hydrazinium chloride or hydrazinium sulfate, an acidic compound which can have a catalytic effect is thus already introduced into the reaction mixture.
- a hydrazinium salt it is often advantageous to trap a portion of the acid introduced by adding a certain amount of a base, for example by adding sodium acetate or another deadening substance to the reaction mixture, in order to set a favorable pH.
- the quantitative ratio in which the compounds of formulas II and III used advantageously in the reaction depends on the individual case. It can be approximately 1: 1, but it can also be a reactant in one smaller or in a larger excess. If at Example, a reaction partner made in a multi-stage synthesis becomes and the other reaction partner is easily accessible, it can be used extensive exploitation of the former be favorable, the latter in excess to be used, for example in 1.1 to 5 times the molar amount.
- the hydrazone of the formula IV can initially be formed as an intermediate, in which the radicals and n have the meanings given above for the formulas II and III, depending on the employed Reaction conditions can be isolated.
- it may be expedient to conduct the reaction by selecting the reaction conditions such as solvent, temperature and catalyst in such a way that it initially only leads to the hydrazone of the formula IV, and this then in a separate step to the pyrazole of the formula Ie ' to cyclize.
- the cyclization of the hydrazone of the formula IV can be isolated in substance or the reaction mixture of the hydrazone production can be used and the cyclization can be effected, for example, by increasing the temperature and / or by adding a catalyst will.
- the NH 2 group of the hydrazine of the formula III can also react with the carbonyl group which is adjacent to the radical R 3 ' instead of the carbonyl group which is adjacent to the heterocycle in the formula II.
- the reaction can also lead to the undesired isomeric pyrazole of the formula VI, a hydrazone of the formula V, which can optionally be isolated, in turn first being formed as an intermediate.
- the radicals and n have the meanings given above for the formulas II and III.
- reaction of the compounds of the formulas II and III gives mixtures of the isomeric pyrazoles Ie 'and VI, these can be separated into the components by customary processes, for example by recrystallization or in particular by chromatography. An isomer mixture can also be separated at the hydrazone stage.
- y has the meanings given above in the formulas Ia ', VII and VIII, y here can thus stand for 0, 1, 2, 3 or 4.
- Z 1 in the formulas VII and VIII represents a leaving group, for example halogen or other suitable groups such as the trifluoromethanesulfonyloxy radical.
- Z 1 preferably represents fluorine.
- Compounds of the formula Ia according to the invention can then optionally be obtained from the compounds of the formula Ia 'by, in a subsequent reaction step, the groups present in protected form or in the form of precursors in the desired definitions of R 1 , R 1a in the above definitions , R 4 and R 5 transferred functional groups.
- a hydrazone can also initially be formed as an intermediate in the reaction of compounds of the formulas VII and III, that is to say a compound of the formula VIII which, depending on the reactivity of the starting substances used and the reaction conditions, can be isolated can.
- the group Z 1 in the compound of the formula VII or the formula VIII is not activated by substituents in the benzene ring, it is generally appropriate, first in the presence of an acid catalyst, to use the compounds of the formulas VII and III to give the hydrazone To condense formula VIII and then carry out the cyclization in a second step, in which one works in the presence of a base, by which the nucleophilicity of the ⁇ -nitrogen atom in the hydrazone grouping is increased. If the reaction is carried out in two stages, the cyclization of the hydrazone of the formula VIII can be isolated in bulk or the reaction mixture of the hydrazone production can be used in the cyclization without isolation of the hydrazone.
- solvents are, for example, water, alcohols, ethers, monoethers and Diether of ethylene glycol and di- and triethylene glycol, esters, amides, nitriles, Acids, sulfoxides and sulfones, hydrocarbons and chlorinated Hydrocarbons. Examples of these solvents are mentioned above. It mixtures of two or more solvents can also be used.
- Preferred solvents here too are alcohols such as methanol and ethanol. Also here the reaction is generally carried out at temperatures from 0 ° C to 150 ° C, preferably carried out at temperatures from 20 ° C. to 130 ° C. Especially it is preferred to use them under reflux at the boiling point of the Perform solvent, for example at the boiling point of methanol or ethanol.
- the reaction of the compounds of the formulas VII and III can be interrupted at the hydrazone of the formula VIII.
- the then subsequent cyclization of the hydrazone to the indazole of the formula Ia ' which represents a nucleophilic substitution of the group Z 1 on the aromatic by the ⁇ -nitrogen atom of the hydrazone group, can, depending on the reactivities given in the individual case, for example by heating in one Solvents or dispersants are made. In many cases it is advantageous to add a base. If the cyclization takes place in a separate step in the preparation of compounds of the formula Ia ', it is preferred to work in the presence of a base in this step.
- Suitable bases are, for example, hydroxides, carbonates, hydrogen carbonates, hydrides, amides, alcoholates or organometallic compounds of alkali metals such as lithium, sodium, potassium or cesium or alkaline earth metals such as magnesium or calcium.
- Preferred bases are alkali metal alcoholates of (C 1 -C 4 ) alkanols such as sodium and potassium methylate, sodium and potassium ethylate or sodium and potassium tert-butoxide. Mixtures of two or more bases can also be used.
- the base is preferably used in an equimolar amount or in excess, usually in 1 to 3 times the molar amount.
- a solvent or dispersant for one in a separate step cyclization of a hydrazone of the formula VIII to indazole for example water, alcohols, ethers, monoethers and diethers of ethylene glycol and of the di- and triethylene glycol, esters, amides, nitriles, sulfoxides, sulfones, Hydrocarbons and chlorinated hydrocarbons into consideration. examples for these solvents are mentioned above. Mixtures of two or more solvents are used.
- Preferred solvent for one Cyclization in the presence of a base are aprotic solvents, in particular dipolar aprotic solvents such as dimethylformamide, dimethylacetamide, Hexamethylphosphoric triamide, N-methylpyrrolidone or dimethyl sulfoxide.
- dipolar aprotic solvents such as dimethylformamide, dimethylacetamide, Hexamethylphosphoric triamide, N-methylpyrrolidone or dimethyl sulfoxide.
- a cyclization of the hydrazone of the formula which takes place in a separate step VIII is generally at temperatures from 0 ° C to 150 ° C, preferably at Temperatures from 20 ° C to 130 ° C carried out. It is particularly preferred in turn, they are used under reflux at the boiling point of the Solvent or solvent mixture to perform.
- the workup can done according to standard methods.
- R can represent, for example, an alkyl radical, for example a (C 1 -C 4 ) alkyl radical such as the methyl radical or the tert-butyl radical, or an aryl radical, for example a phenyl radical, which can be unsubstituted or substituted .
- An example of a suitable compound of formula IX is the benzhydrazide.
- reaction of the compounds of the formulas VII and IX can be carried out under the same conditions as given above for the reaction of the compounds of the formulas VII and III. All of the above explanations apply accordingly.
- the reaction of the compounds of the formulas VII and IX which in turn can be carried out in one step or in two steps, initially leads to the acylhydrazones or acylindazoles corresponding to the formulas VII and Ia ', which instead of the group R 4' - (CH 2 ) n contain the group R-CO.
- the indazoles of the formula X are obtained from these compounds, in which X, R 1 ' , R 1a' , R 5 ' and y have the meanings given above for the formulas Ia ', VII and VIII.
- the acyl compounds can first be isolated, but the removal can also take place in situ without their isolation.
- the acyl group can be split off, for example, in a customary manner by hydrolysis under acidic or basic conditions, for example using hydrochloric acid, sulfuric acid, phosphoric acid, lithium hydroxide, sodium hydroxide, sodium carbonate or potassium hydroxide. It can be done in water or in a water-containing organic solvent or dispersant.
- reaction temperature and reaction time depend on the individual case, in general work is carried out at room temperature up to 100 ° C.
- the indazoles of the formula X which are unsubstituted in the 1-position can be isolated by the customary methods or can also be used directly in a subsequent reaction.
- the indazoles of the formula X can then be converted into the 1-substituted indazoles of the formula Ia 'by reaction with alkylating agents of the formula XI.
- Z 2 represents a leaving group, for example chlorine, bromine, iodine or a sulfonyloxy radical such as methanesulfonyloxy, trifluoromethanesulfonyloxy, benzenesulfonyloxy or p-toluenesulfonyloxy.
- the alkylating agent of formula XI is used in an equimolar amount or in excess, for example in 1 to 3 times the molar amount.
- the alkylation of the compounds of the formula X can be carried out under the usual conditions Alkylation conditions take place. It is preferred in a solvent or Dispersants carried out, for example in water, an alcohol, an ether, a monoether or diether of ethylene glycol or di- and Triethylene glycol, a ketone such as acetone or methyl ethyl ketone, an ester, an amide, a nitrile, a sulfoxide or sulfone, a hydrocarbon or a chlorinated hydrocarbon.
- a solvent or Dispersants carried out, for example in water, an alcohol, an ether, a monoether or diether of ethylene glycol or di- and Triethylene glycol, a ketone such as acetone or methyl ethyl ketone, an ester, an amide, a nitrile, a sulfoxide or sulfone, a hydrocarbon or a chlorinated hydrocarbon.
- the alkylation in water or in a is preferred dipolar aprotic solvent, for example dimethylformamide.
- the alkylation is generally carried out at temperatures from 0 ° C. to 150 ° C. preferably carried out at temperatures from 20 ° C. to 130 ° C. Especially it is preferred to use them under reflux at the boiling point of the Solvent.
- the alkylation of the compounds of the formula X with the compounds of the formula XI is preferably carried out with the addition of a base.
- Suitable bases are, for example the hydroxides, carbonates, acetates, hydrides or alcoholates of alkali metals such as Lithium, sodium or potassium or of alkaline earth metals such as magnesium or Calcium. Mixtures of bases can also be used. In general the base is used in an equimolar amount or in excess, for example in 1 to 3 times the molar amount.
- Alkylation below is particularly preferred Use of potassium tert-butoxide or sodium hydride in dimethylformamide and the use of sodium hydroxide in water. Working up the Reaction mixture can be done according to standard procedures and the product if desired, using customary cleaning methods, for example by Recrystallization or chromatography.
- the starting products of formulas II and VII are known or can be analogous to known compounds according to well-known, described in the literature Standard procedures are made.
- 1,3-dicarbonyl compounds of the formula II are, for example, by ester condensation or by acylation of ⁇ -keto esters with subsequent cleavage of the ester group available.
- the aromatics of the formula VII can, for example, by Friedel-Crafts acylations of furans, Thiophenes and pyrroles with benzoic acid derivatives such as Acid chlorides can be obtained. More information on these reactions can be found in the Standard works such as Houben-Weyl or Organic Reactions (see above).
- the Hydrazines of the formulas III and IX and the alkylating agents of the formula XI are known or can be prepared by well-known methods to which more details can be found in these standard works.
- the compounds of the formula I according to the invention bring about activation of soluble guanylate cyclase (sGC) an increase in the cGMP concentration and are therefore valuable agents for the therapy and prophylaxis of diseases that are associated with a low or low cGMP level or through such a cause or for their therapy or prophylaxis
- the aim is to increase the existing cGMP level.
- the activation of the sGC through the compounds of formula I can, for example, in the below described activity assay are examined, their organ action for example by determining the relaxation of the rat aorta.
- cardiovascular diseases such as endothelial diseases Dysfunction, diastolic dysfunction, atherosclerosis, hypertension, stable and unstable angina pectoris, thrombosis, restenosis, myocardial infarction, strokes, Heart failure or pulmonary hypertension, or for example erectile dysfunction, Bronchial asthma, chronic renal failure and diabetes.
- Connections of the Formula I can also be used in the therapy of Liver cirrhosis and due to their partially synergistic effect with the retrograde messenger substance NO to improve a restricted Ability to learn or memory.
- the compounds of formula I and their physiologically acceptable salts can thus on animals, preferably on mammals, and especially on humans as Medicines on their own, in mixtures with each other or in the form of pharmaceutical preparations are used.
- Subject of the present The invention therefore also relates to the compounds of the formula I and their physiological properties compatible salts for use as medicines, their use for Normalization of a disrupted cGMP budget and especially theirs Use in the therapy and prophylaxis of the above-mentioned clinical pictures, and their use in the manufacture of medicines therefor.
- the present invention relates to pharmaceutical preparations that are considered active Part of an effective dose of at least one compound of formula I. and / or a physiologically acceptable salt thereof in addition to conventional ones contain pharmaceutically perfect carriers and additives.
- the medicines can be taken orally, for example in the form of pills, tablets, Film-coated tablets, coated tablets, granules, hard and soft gelatin capsules, aqueous, alcoholic or oily solutions, syrups, emulsions or suspensions, or rectally, for example in the form of suppositories.
- administration can also take place parenterally, for example subcutaneously, intramuscularly or intravenously in the form of solutions for injection or Infusion solutions.
- percutaneous or topical application for example in the form of ointments, Tinctures, sprays or transdermal therapeutic systems, or the inhalation application in the form of nasal sprays or aerosol mixtures, or for Example microcapsules, implants or rods.
- the preferred form of application depends, for example, on the disease to be treated and its severity.
- the pharmaceutical preparations usually contain 0.5 to 90 Weight percent of the compounds of formula I and / or their physiological tolerable salts.
- the preparation of the pharmaceutical preparations can be found in be done in a known manner.
- one or more connections of the Formula I and / or its physiologically tolerable salts together with one or several solid or liquid galenic carriers and / or auxiliary substances and, if desired, in combination with other active pharmaceutical ingredients therapeutic or prophylactic effect in a suitable Form of administration or dosage form brought, which then as a drug in the Human medicine or veterinary medicine can be used.
- Hard gelatin capsules can be lactose, starch, for example corn starch, or Use starch derivatives, talc, stearic acid or its salts, etc.
- Carriers for soft gelatin capsules and suppositories are, for example, fats, waxes semi-solid and liquid polyols, natural or hardened oils etc.
- As carriers for the production of solutions for example injection solutions, or of Emulsions or syrups are, for example, water, physiological Saline, alcohols such as ethanol, glycerin, polyols, sucrose, invert sugar, Glucose, mannitol, vegetable oils etc.
- the compounds of formula I and their Physiologically acceptable salts can also be lyophilized and the obtained lyophilisates for example for the production of injection or Infusion preparations are used.
- Implants or rods are suitable, for example, copolymers made from glycolic acid and lactic acid.
- the pharmaceutical preparations can still contain common additives, for example fillers, explosives, binders, lubricants, Wetting, stabilizing, emulsifying, dispersing, preserving, Sweetening, coloring, flavoring or flavoring, thickening, diluting agents, Buffer substances, also solvents or solubilizers or agents for Achievement of a depot effect, salts to change the osmotic pressure Coating agents or antioxidants.
- common additives for example fillers, explosives, binders, lubricants, Wetting, stabilizing, emulsifying, dispersing, preserving, Sweetening, coloring, flavoring or flavoring, thickening, diluting agents, Buffer substances, also solvents or solubilizers or agents for Achievement of a depot effect, salts to change the osmotic pressure Coating agents or antioxidants.
- the dosage of the active ingredient of formula I and / or one to be administered physiologically acceptable salts depend on the individual case and are as usual adapt to individual circumstances for an optimal effect. So hangs they depend on the type and severity of the disease to be treated and on Gender, age, weight and individual responsiveness of the person to be treated Human or animal, on the strength and duration of action of the used Connections, whether acute or chronic therapy or prophylaxis is operated, or whether in addition to compounds of formula I other active ingredients be administered.
- a daily dose is about 0.01 to 100 mg / kg, preferably 0.1 to 10 mg / kg, in particular 0.3 to 5 mg / kg (each mg per kg body weight) when administered to a weight of approx. 75 kg Appropriate for adults to achieve effective results.
- the daily dose can be administered in a single dose or, especially when administered larger quantities, in several, for example two, three or four, single doses be divided. If necessary, depending on individual behavior, be required, from the specified daily dose upwards or downwards to deviate.
- Pharmaceutical preparations usually contain 0.2 to 500 mg, preferably 1 to 200 mg of active ingredient of the formula I and / or its physiological tolerable salts per dose.
- the compounds of formula I activate the soluble guanylate cyclase. Because of this property they can be used as active pharmaceutical ingredients in human medicine and veterinary medicine also as a scientific tool or as an aid for biochemical investigations are used in which such Influencing guanylate cyclase is intended, as well as for diagnostic Purposes, for example in the in vitro diagnostics of cell or tissue samples. Furthermore, the compounds of formula I and their salts, as already above mentioned, as intermediates for the production of other active pharmaceutical ingredients to serve.
- sGC soluble guanylate cyclase
- GTP Guanosine triphosphate
- cGMP cyclic guanosine monophosphate
- EIA enzyme immunoassay
- the sGC used had been isolated from bovine lung (see Methods in Enzymology, Volume 195, p. 377).
- the test solutions (100 ⁇ l per well) contained 50 mM triethanolamine (TEA) buffer (pH 7.5), 3 mM MgCl 2 , 3 mM reduced glutathione (GSH), 0.1 mM GTP, 1 mM 3-isobutyl-1-methylxanthine (IBMX ), suitably diluted enzyme solution and the test substance or, in the control tests, the solvent.
- the test substances were dissolved in dimethyl sulfoxide (DMSO) and the solution was diluted with DMSO / water so that the final concentration of test substance in the test solution was 50 ⁇ M.
- DMSO dimethyl sulfoxide
- the DMSO concentration in the test solution was 5% (v / v).
- the reaction was started by adding the sGC.
- the reaction mix was incubated for 15 to 20 minutes at 37 ° C. and then stopped by ice cooling and addition of the stop reagent (50 mM EDTA, pH 8.0).
- An aliquot of 50 ⁇ l was removed and used to determine the cGMP content using the acetylation protocol of the Amersham cGMP-EIA kit.
- the absorption of the samples was measured at 450 nm (reference wavelength 620 nm) in a microtiter plate reader.
- the cGMP concentration was determined using a calibration curve which was obtained under the same test conditions.
- n-fold stimulation [cGMP] Test substance / [cGMP] control ).
- connection concentration n-fold stimulation Example 6 10 ⁇ M 3.3 times
- Example 7 100 ⁇ M 5.5 times
- Example 21 100 ⁇ M 3 times
- Example 25 10 ⁇ M 2.8 times
- Example 40 100 ⁇ M 2.4 times
- Example 44 100 ⁇ M 3.2 times
- the rings were held for 30 minutes at a resting tension of 1 g in carbonated (95% O 2 ; 5% CO 2 ) Krebs-Henseleit solution (composition: Na + 144.0 mM; K + 5.9 mM; Cl - 126.9 mM; Ca 2+ 1.6 mM; Mg 2+ 1.2 mM; H 2 PO 4 - 1.2 mM; SO 4 2- 1.2 mM; HCO 3 - 25.0 mM; D-glucose 11.1 mM) calibrated from pH 7.4.
- 1 ⁇ mol / l indomethacin was added to the Krebs-Henseleit solution to inhibit prostaglandin biosynthesis.
- the rings were then pre-contracted by adding phenylephrine (concentration in the solution: 1 ⁇ M) and the endothelium-dependent relaxation or the functional loss of the endothelium was tested by adding acetylcholine (concentration in the solution: 1 ⁇ M). Following a 30-minute washing period, the rings were then pre-contracted again by adding phenylephrine (1 ⁇ M) and their relaxing effect was determined by adding cumulative doses of the test substances of the formula I. The data were evaluated using standard methods. The concentration IC 50 is given , by which the contraction is inhibited by 50% (50% relaxation).
- connection IC 50 Example 40 Ring with endothelium 2.4 ⁇ M
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Abstract
Description
wobei Verbindungen der Formel I ausgeschlossen sind, in der die folgenden Reste gleichzeitig folgende Bedeutungen haben: R1 bedeutet einen in der 5-Position des Furanrings, Thiophenrings oder Pyrrolrings befindlichen Rest aus der Reihe Wasserstoff, (C1-C3)-Alkyl, COOH, CO-O-(C1-C3)-Alkyl, CH2-OH, CH2-O-(C1-C3)-Alkyl und Halogen; R1a bedeutet Wasserstoff; R2 und R3 bedeuten zusammen mit den sie tragenden Kohlenstoffatomen einen Benzol-Ring, der unsubstituiert ist oder durch einen Rest aus der Reihe (C1-C3)-Alkyl, Halogen, Hydroxy und (C1-C3)-Alkoxy monosubstituiert ist; n bedeutet die Zahl 1; R4 bedeutet unsubstituiertes Phenyl oder Phenyl, das durch einen Rest aus der Reihe (C1-C3)-Alkyl, Halogen, Hydroxy und (C1-C3)-Alkoxy monosubstituiert ist;
und wobei die Verbindung der Formel I ausgeschlossen ist, in der die Reste gleichzeitig folgende Bedeutungen haben: X steht für S; R1 steht für ein in der 5-Position des Thiophenrings gebundenes Chloratom; R1a steht für Wasserstoff; R2 steht für Methyl; R3 steht für Wasserstoff; n steht für 0; R4 steht für den Rest (CH3)2N-CO-CH(CH3)-.
- RT
- Raumtemperatur
- THF
- Tetrahydrofuran
- DMF
- Dimethylformamid
Verbindung | Konzentration | n-fache Stimulierung |
Beispiel 6 | 10 µM | 3.3-fach |
Beispiel 7 | 100 µM | 5.5-fach |
Beispiel 21 | 100 µM | 3-fach |
Beispiel 25 | 10 µM | 2.8-fach |
Beispiel 40 | 100 µM | 2.4-fach |
Beispiel 44 | 100 µM | 3.2-fach |
Verbindung | IC50 | |
Beispiel 40 | Ring mit Endothel | 2.4 µM |
Beispiel 40 | Ring ohne Endothel | 0.2 µM |
Claims (11)
- Verbindungen der Formel I, in derX für O, S, NH oder N(CH3) steht;R1 und R1a unabhängig voneinander für Wasserstoff, Halogen, OR6, NR7R8, CO-OR9, CO-R10, CO-NR11R12, CO-NR12-OR11, S(O)m-R13, S(O)2-NR14R15, CN, NO2, (C1-C10)-Alkyl, (C6-C14)-Aryl, (C6-C14)-Aryl-(C1-C4)-alkyl, (C3-C7)-Cycloalkyl, (C3-C7)-Cycloalkyl-(C1-C4)-alkyl, den Rest Het oder den Rest Het-(C1-C4)-alkyl stehen, wobei für R1 oder R1a stehende Alkylreste, Arylreste, Arylalkylreste, Cycloalkylreste, Cycloalkyl-alkylreste, Reste Het und Reste Het-alkyl jeweils unsubstituiert oder durch einen oder mehrere Substituenten R5 substituiert sein können, und wobei R1 nur dann für NO2 stehen kann, wenn gleichzeitig R1a für Wasserstoff steht, die Reste R2 und R3 zusammen mit den sie tragenden Kohlenstoffatomen einen unsubstituierten Benzolring oder einen durch einen oder mehrere Substituenten R5 substituierten Benzolring bilden, n für 0 steht und R4 eine andere Bedeutung als unsubstituiertes Phenyl hat;R2 und R3 unabhängig voneinander für Wasserstoff, (C1-C10)-Alkyl, (C6-C14)-Aryl, (C6-C14)-Aryl-(C1-C4)-alkyl, (C3-C7)-Cycloalkyl, (C3-C7)-Cycloalkyl-(C1-C4)-alkyl, den Rest Het oder den Rest Het-(C1-C4)-alkyl stehen, wobei für R2 oder R3 stehende Alkylreste, Arylreste, Arylalkylreste, Cycloalkylreste, Cycloalkyl-alkylreste, Reste Het und Reste Het-alkyl jeweils unsubstituiert oder durch einen oder mehrere Substituenten R5 substituiert sein könnenoder R2 und R3 zusammen mit den sie tragenden Kohlenstoffatomen einen 5- bis 7-gliedrigen carbocyclischen Ring bilden, der eine oder mehrere Doppelbindungen enthalten kann und der unsubstituiert oder durch einen oder mehrere Substituenten R5 substituiert sein kann;R4 für Wasserstoff, (C1-C10)-Alkyl, (C6-C14)-Aryl, (C6-C14)-Aryl-(C1-C4)-alkyl, (C3-C7)-Cycloalkyl, (C3-C7)-Cycloalkyl-(C1-C4)-alkyl, den Rest Het oder den Rest Het-(C1-C4)-alkyl stehen, wobei für R4 stehende Alkylreste, Arylreste, Arylalkylreste, Cycloalkylreste, Cycloalkyl-alkylreste, Reste Het und Reste Het-alkyl jeweils unsubstituiert oder durch einen oder mehrere Substituenten R5 substituiert sein können, und wobei, wenn n = 0 ist, R4 nicht für Wasserstoff stehen kann;n für 0, 1 oder 2 steht;Het für einen 5- bis 7-gliedrigen, gesättigten oder ungesättigten Heterocyclus steht;R5 für Halogen, (C1-C5)-Alkyl, OR6, NR7R8, CO-OR9, CO-R10, CO-NR11R12, CO-NR12-OR11, S(O)m-R13, S(O)2-NR14R15, NO2, CN oder CF3 steht, wobei mehrfach auftretende Reste R5 unabhängig voneinander sind und gleich oder verschieden sein können;R6, R7, R8, R11 und R14 unabhängig voneinander für Wasserstoff, (C1-C10)-Alkyl, (C6-C14)-Aryl, (C6-C14)-Aryl-(C1-C4)-alkyl, (C3-C7)-Cycloalkyl, (C3-C7)-Cycloalkyl-(C1-C4)-alkyl, den Rest Het, den Rest Het-(C1-C4)-alkyl, CO-R16 oder S(O)2-R17 stehen wobei für R6, R7, R8, R11 und R14 stehende Alkylreste, Arylreste, Arylalkylreste, Cycloalkylreste, Cycloalkyl-alkylreste, Reste Het und Reste Het-alkyl jeweils unsubstituiert oder durch einen oder mehrere gleiche oder verschiedene Substituenten aus der Reihe Halogen, (C1-C5)-Alkyl, OR18, NR19R20, CO-OR21, CO-R22, CO-NR23R24, CO-NR24-OR23, S(O)m-R25, S(O)2-NR26R27, NO2, CN und CF3 substituiert sein können, und wobei mehrfach auftretende Reste R6, R7, R8, R11 und R14 unabhängig voneinander sind und gleich oder verschieden sein können;R9, R10, R12, R13 und R15 unabhängig voneinander für Wasserstoff, (C1-C10)-Alkyl, (C6-C14)-Aryl, (C6-C14)-Aryl-(C1-C4)-alkyl, (C3-C7)-Cycloalkyl, (C3-C7)-Cycloalkyl-(C1-C4)-alkyl, den Rest Het oder den Rest Het-(C1-C4)-alkyl stehen, wobei für R9, R10, R12, R13 und R15 stehende Alkylreste, Arylreste, Arylalkylreste, Cycloalkylreste, Cycloalkyl-alkylreste, Reste Het und Reste Het-alkyl jeweils unsubstituiert oder durch einen oder mehrere gleiche oder verschiedene Substituenten aus der Reihe Halogen, (C1-C5)-Alkyl, OR18, NR19R20, CO-OR21, CO-R22, CO-NR23R24, CO-NR24-OR23, S(O)m-R25, S(O)2-NR26R27, NO2, CN und CF3 substituiert sein können, und wobei mehrfach auftretende Reste R9, R10, R12, R13 und R15 unabhängig voneinander sind und gleich oder verschieden sein können;oder die zwei Reste R7 und R8, die zwei Reste R11 und R12 und die zwei Reste R14 und R15, jeweils zusammen mit dem die zwei Reste tragenden Stickstoffatom, einen 5- bis 7-gliedrigen, gesättigten oder ungesättigten heterocyclischen Ring bilden, der noch ein zusätzliches Ring-Heteroatom aus der Reihe Stickstoff, Sauerstoff und Schwefel enthalten kann und der durch einen oder mehrere gleiche oder verschiedene Substituenten aus der Reihe (C1-C4)-Alkyl und Halogen substituiert sein kann;R16 für Wasserstoff, (C1-C6)-Alkyl, (C3-C7)-Cycloalkyl, (C3-C7)-Cycloalkyl-(C1-C4)-alkyl, (C6-C14)-Aryl, (C6-C14)-Aryl-(C1-C4)-alkyl, den Rest Het oder den Rest Het-(C1-C4)-alkyl steht;R17 für (C1-C6)-Alkyl, (C3-C7)-Cycloalkyl, (C3-C7)-Cycloalkyl-(C1-C4)-alkyl, (C6-C14)-Aryl, (C6-C14)-Aryl-(C1-C4)-alkyl, den Rest Het oder den Rest Het-(C1-C4)-alkyl steht;R18, R19, R20, R23 und R26 unabhängig voneinander für Wasserstoff, (C1-C10)-Alkyl, (C3-C7)-Cycloalkyl, (C3-C7)-Cycloalkyl-(C1-C4)-alkyl, (C6-C14)-Aryl, (C6-C14)-Aryl-(C1-C4)-alkyl, den Rest Het, den Rest Het-(C1-C4)-alkyl, CO-R16 oder S(O)2-R17 stehen, wobei mehrfach auftretende Reste R18, R19, R20, R23 und R26 unabhängig voneinander sind und gleich oder verschieden sein könnenR21, R22, R24, R25 und R27 unabhängig voneinander für Wasserstoff, (C1-C10)-Alkyl, (C3-C7)-Cycloalkyl, (C3-C7)-Cycloalkyl-(C1-C4)-alkyl, (C6-C14)-Aryl, (C6-C14)-Aryl-(C1-C4)-alkyl, den Rest Het oder den Rest Het-(C1-C4)-alkyl stehen, wobei mehrfach auftretende Reste R21, R22, R24, R25 und R27 unabhängig voneinander sind und gleich oder verschieden sein können;oder die zwei Reste R19 und R20, die zwei Reste R23 und R24 und die zwei Reste R26 und R27, jeweils zusammen mit dem die zwei Reste tragenden Stickstoffatom, einen 5- bis 7-gliedrigen, gesättigten oder ungesättigten heterocyclischen Ring bilden, der noch ein zusätzliches Ring-Heteroatom aus der Reihe Stickstoff, Sauerstoff und Schwefel enthalten kann und der durch einen oder mehrere gleiche oder verschiedene Substituenten aus der Reihe (C1-C4)-Alkyl und Halogen substituiert sein kann;m für 0, 1 oder 2 steht;in allen ihren stereoisomeren Formen und Mischungen davon in allen Verhältnissen, und ihre physiologisch verträglichen Salze;wobei Verbindungen der Formel I ausgeschlossen sind, in der die folgenden Reste gleichzeitig folgende Bedeutungen haben: R1 bedeutet einen in der 5-Position des Furanrings, Thiophenrings oder Pyrrolrings befindlichen Rest aus der Reihe Wasserstoff, (C1-C3)-Alkyl, COOH, CO-O-(C1-C3)-Alkyl, CH2-OH, CH2-O-(C1-C3)-Alkyl und Halogen; R1a bedeutet Wasserstoff; R2 und R3 bedeuten zusammen mit den sie tragenden Kohlenstoffatomen einen Benzol-Ring, der unsubstituiert ist oder durch einen Rest aus der Reihe (C1-C3)-Alkyl, Halogen, Hydroxy und (C1-C3)-Alkoxy monosubstituiert ist; n bedeutet die Zahl 1; R4 bedeutet unsubstituiertes Phenyl oder Phenyl, das durch einen Rest aus der Reihe (C1-C3)-Alkyl, Halogen, Hydroxy und (C1-C3)-Alkoxy monosubstituiert ist;
und wobei die Verbindung der Formel I ausgeschlossen ist, in der die Reste gleichzeitig folgende Bedeutungen haben: X steht für S; R1 steht für ein in der 5-Position des Thiophenrings gebundenes Chloratom; R1a steht für Wasserstoff; R2 steht für Methyl; R3 steht für Wasserstoff; n steht für 0; R4 steht für den Rest (CH3)2N-CO-CH(CH3)-. - Verbindungen der Formel I gemäß Anspruch 1, in der R2 und R3 zusammen mit den sie tragenden Kohlenstoffatomen einen Benzolring bilden, der unsubstituiert oder durch einen oder mehrere gleiche oder verschiedene Substituenten R5 substituiert sein kann, in allen ihren stereoisomeren Formen und Mischungen davon in allen Verhältnissen, und ihre physiologisch verträglichen Salze.
- Verbindungen der Formel I gemäß Anspruch 1 und/oder 2, in der X für O oder S steht, in allen ihren stereoisomeren Formen und Mischungen davon in allen Verhältnissen, und ihre physiologisch verträglichen Salze.
- Verbindungen der Formel I gemäß einem oder mehreren der Ansprüche 1 bis 3, in der R1a für Wasserstoff steht, in allen ihren stereoisomeren Formen und Mischungen davon in allen Verhältnissen, und ihre physiologisch verträglichen Salze.
- Verbindungen der Formel I gemäß einem oder mehreren der Ansprüche 1 bis 4, in der R1 für (C1-C10)-Alkyl, das durch Hydroxy substituiert ist, oder für CO-OR9 oder für CO-NR11R12 steht, in allen ihren stereoisomeren Formen und Mischungen davon in allen Verhältnissen, und ihre physiologisch verträglichen Salze.
- Verbindungen der Formel I gemäß einem oder mehreren der Ansprüche 1 bis 5, in der R11 für Wasserstoff steht und R12 unsubstituiertes (C1-C4)-Alkyl, (C1-C4)-Alkyl, das durch einen Rest aus der Reihe OR18, NR19R20 und CO-NR23R24 substituiert ist, 5- oder 6-gliedriges Heteroaryl, unsubstituiertes Phenyl oder Phenyl, das durch einen, zwei oder drei gleiche oder verschiedene Reste aus der Reihe Halogen, (C1-C5)-Alkyl, OR18, NR19R20, CO-OR21, CO-R22, CO-NR23R24, S(O)m-R25, S(O)2-NR26R27, NO2, CN und CF3 substituiert ist, steht, in allen ihren stereoisomeren Formen und Mischungen davon in allen Verhältnissen, und ihre physiologisch verträglichen Salze.
- Verfahren zur Herstellung von Verbindungen der Formel I gemäß einem oder mehreren der Ansprüche 1 bis 6, dadurch gekennzeichnet, daß mana) 1,3-Dicarbonylverbindungen der Formel II mit Hydrazinen der Formel III oder deren Salzen umsetzt, wobei in den Formeln II und III die Reste X, R1', R1a' und R4' und die Zahl n die in den Ansprüchen 1 bis 6 angegebenen Bedeutungen von X, R1, R1a, R4 und n haben und die Reste R2' und R3' die in den Ansprüchen 1 bis 6 angegebenen Bedeutungen von R2 und R3 haben, aber nicht zusammen mit den sie tragenden Kohlenstoffatomen einen aromatischen Ring bilden können, und zusätzlich in den Resten R1', R1a', R2', R3' und R4' funktionelle Gruppen in geschützter Form oder in Form von Vorstufen vorliegen können, und anschließend gegebenenfalls die Reste R1', R1a', R2', R3' und R4' in die Reste R1, R1a, R2, R3 und R4 mit den in den Ansprüchen 1 bis 6 angegebenen Bedeutungen überführt; oderb) Verbindungen der Formel VII mit Hydrazinen der Formel III oder deren Salzen umsetzt, wobei in den Formeln VII und III die Reste X, R1', R1a' und R4' und die Zahl n die unter a) angegebenen Bedeutungen haben, R5' die in den Ansprüchen 1 bis 6 angegebenen Bedeutungen von R5 hat und zusätzlich in den Resten R5' funktionelle Gruppen in geschützter Form oder in Form von Vorstufen vorliegen können, y für 0, 1, 2, 3 oder 4 steht und Z1 für eine Abgangsgruppe steht, und anschließend gegebenenfalls die Reste R1', R1a', R4' und R5' in die Reste R1, R1a, R4 und R5 mit den in den Ansprüchen 1 bis 6 angegebenen Bedeutungen überführt; oderc) Verbindungen der Formel VII mit Verbindungen der Formel IX unter Abspaltung der Acylgruppe R-CO zu Verbindungen der Formel X umsetzt und diese mit Verbindungen der Formel XI alkyliert, wobei in den Formeln VII, IX, X und XI die Reste X, R1', R1a', R4' und R5', Z1, n und y die unter a) und b) angegebenen Bedeutungen haben, Z2 für eine Abgangsgruppe steht und R für einen Alkylrest oder Arylrest steht, und anschließend gegebenenfalls die Reste R1', R1a', R4' und R5' in die Reste R1, R1a, R4 und R5 mit den in den Ansprüchen 1 bis 6 angegebenen Bedeutungen überführt.
- Verbindungen der Formel I gemäß einem oder mehreren der Ansprüche 1 bis 6 und/oder ihre physiologisch verträglichen Salze zur Verwendung als Arzneimittel.
- Pharmazeutisches Präparat, dadurch gekennzeichnet, daß es eine oder mehrere Verbindungen der Formel I gemäß einem oder mehreren der Ansprüche 1 bis 6 und/oder ihre physiologisch verträglichen Salze neben pharmazeutisch einwandfreien Trägerstoffen und/oder Zusatzstoffen enthält.
- Verwendung von Verbindungen der Formel I gemäß einem oder mehreren der Ansprüche 1 bis 6 und/oder ihren physiologisch verträglichen Salzen zur Herstellung eines Medikaments zur Aktivierung der löslichen Guanylatcyclase.
- Verwendung von Verbindungen der Formel I gemäß einem oder mehreren der Ansprüche 1 bis 6 und/oder ihren physiologisch verträglichen Salzen zur Herstellung eines Medikaments zur Therapie oder Prophylaxe von Herz-Kreislauf-Erkrankungen, endothelialer Dysfunktion, diastolischer Dysfunktion, Atherosklerose, Bluthochdruck, Angina pectoris, Thrombosen, Restenosen, Myocardinfarkt, Schlaganfällen, Herzinsuffizienz, Pulmonalhypertonie, erektiler Dysfunktion, Asthma bronchiale, chronischer Niereninsuffizienz, Diabetes oder Leberzirrhose oder zur Verbesserung einer eingeschränkten Lernfähigkeit oder Gedächtnisleistung.
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